What does by The Lorax parting word unless?

The correct phrase is, "Unless someone like you cares a whole awful lot, nothing is going to get better. It's not."

This is the parting word of the Lorax, a fictional character from Dr. Seuss's children's book "The Lorax". It is a powerful message about the importance of individual action in protecting the environment. The Lorax warns that unless each of us takes action to protect the natural world, nothing will improve.